infectious diseases .

by ; vanessa hernandez

infectious diseases .

by ; vanessa hernandez

microbiology

virus.

description- a virus is a non -living organism but can effect living things . to reproduce a virus needs a host cell ,they invade healthy cells . viruses are transmitted through sneezing , to insect bites , and water . common viruses HIV, AIDS, CHICKEN POX .

bacteria

description - bacteria cells are living host , and can effect living things , and they can be transmitted through humid or warm places , antibiotics can take a bacteria away , common bacteria , SPHERICAL, ROD LIKE, SPIRAL.